Publicité en ligne

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Publicité en ligne[5] est un stratégie de marketing[3] that involves the use of the Internet[10] as a medium to obtain site web[11] traffic and target and deliver marketing messages to the right customers. It has evolved from the early days of simple email marketing[6] and banner ads to more sophisticated methods like search ads, médias sociaux[7]et mobile advertising[4]. This form of publicité[8] is driven by various ventes[13] and delivery models, including direct management by website publishers, outsourcing to agencies, ad exchanges, and automated programmatic advertising. Innovative techniques have emerged over time, aiming to capture user attention and increase engagement. These strategies include floating and expanding ads, trick banners, news feed ads, search engine marketing[1]et social media marketing[2]. The evolution of online advertising showcases its adaptability to changing consommateur[12] behavior and technologie[9] advancements.

Définitions des termes
1. search engine marketing. Search Engine Marketing (SEM) refers to the practice of marketing a business using paid advertisements that appear on search engine results pages. These advertisements are often driven by bids on keywords that users of services such as Google and Bing might enter when looking for certain products or services. SEM offers advertisers the opportunity to put their ads in front of motivated customers who are ready to make a purchase. The evolution of SEM has integrated a range of strategies, such as search engine optimization (SEO), paid listings management, and online marketing strategies like pay-per-click (PPC) programs. The technique is crucial in today's digital era, aiding various industries in attracting consumers and increasing opportunities. Despite challenges such as competition and evolving search algorithms, SEM continues to be a vital tool for online visibility and business growth.
2. social media marketing. Le marketing des médias sociaux est une stratégie à multiples facettes visant à promouvoir un produit ou un service par le biais de diverses plateformes en ligne. Cette stratégie de marketing s'articule autour de l'utilisation de sites de réseaux sociaux pour favoriser les interactions, établir des relations et influencer le comportement des consommateurs par le biais du bouche-à-oreille. Elle implique l'utilisation de plateformes populaires comme Instagram, Facebook, Twitter, TikTok, WhatsApp, YouTube et Snapchat, chacune ayant des caractéristiques et des stratégies d'engagement de l'utilisateur qui lui sont propres. Par exemple, l'algorithme de TikTok encourage la créativité et la viralité, tandis que YouTube propose des publicités personnalisées et un programme de partenariat. Les entreprises utilisent également les outils d'analyse intégrés pour suivre la réussite des campagnes et l'engagement des clients. Un autre aspect clé est la consommation de médias mobiles, qui modifie de plus en plus le comportement d'achat des consommateurs. Enfin, le marketing des médias sociaux utilise des contenus pilotés par des algorithmes et le marketing d'influence pour atteindre les publics cibles de manière authentique et précise.

Publicité en ligneégalement connu sous le nom de online marketing, Internet advertising, digital advertising ou web advertising, is a form of marketing and advertising that uses the Internet to promote products and services to audiences and platform users. Online advertising includes email marketing, search engine marketing (SEM), social media marketing, many types of display advertising (including web banner advertising), and mobile advertising. Advertisements are increasingly being delivered via automated software systems operating across multiple websites, media services and platforms, known as programmatic advertising.

Like other advertising media, online advertising frequently involves a publisher, who integrates advertisements into its online content, and an advertiser, who provides the advertisements to be displayed on the publisher's content. Other potential participants include advertising agencies that help generate and place the ad copy, an ad server which technologically delivers the ad and tracks statistics, and advertising affiliates who do independent promotional work for the advertiser.

In 2016, Internet advertising revenues in the United States surpassed those of cable television et broadcast television. In 2017, Internet advertising revenues in the United States totaled $83.0 billion, a 14% increase over the $72.50 billion in revenues in 2016. And research estimates for 2019's online advertising spend put it at $125.2 billion in the United States, some $54.8 billion higher than the spend on television ($70.4 billion).

Many common online advertising practices are controversial and, as a result, have become increasingly subject to regulation. Many internet users also find online advertising disruptive and have increasingly turned to ad blocking for a variety of reasons. Online ad revenues also may not adequately replace other publishers' revenue streams. Declining ad revenue has led some publishers to place their content behind paywalls.

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